A quadrilateral is a plane or 2d figure with four sides.
A 3d shape (object) has a name ending with -hedron, eg a tetrahedron which is a four sided 3d shape.
A 3d quadrilateral has no meaning.
Sides (edges) do exist in 3d shapes, but a more pertinent attribute is faces.
Do you mean by "3d quadrilateral" a 3d shape which has a quadrilateral as a base and at most 4 or 5 other sides, ie a pentahedron (usually called a square pyramid) or a hexahedron (some types of which are called cuboids and cubes)?
Please re-ask using consistent terminology, eg What is a 3d shape with one pair of parallel faces and 6 faces?
It is a quadrilateral with exactly 2 pairs of parallel sides.
A quadrilateral with one pair of parallel sides is called a trapezium (most of the world) or trapezoid (US) . If it was to have two pairs of parallel sides it would be a parallelogram.
Then, the opposite sides are congruent.
a hexagon
a trapezoid has
A quadrilateral that has only one pair of parallel sides (the other pair not parallel) is a trapezium.
A trapezium.
RHOMBOID
One pair? If it is one pair of parallel sides, then it is a trapezoid. If it has 2 pairs of parallel sides, then it is a parallelogram.
British definition differs with USAUSATrapezoidA quadrilateral with one pair of parallel sidesTrapeziumA quadrilateral with no sides parallelBritishTrapezoidA quadrilateral with no sides parallelTrapeziumA quadrilateral with one pair of parallel sides
trapezoidA trapezoid has one pair of parallel sides.
A trapezium.
Trapezoids have only one pair of parallel sides.
rectagle ONE pair of parallel sides would be a trapezium or a trapezoid.
A quadrilateral with at least one pair of parallel sides has multiple possible names, depending on what type of quadrilateral it is.SquareRectangleParallelogramRhomboidTrapezoidYou are probably looking for only one pair of parallel sides, which is a trapezoid - both regular and irregular.
It is a quadrilateral with exactly 2 pairs of parallel sides.
Yes, a trapezoid is a quadrilateral with only one pair of parallel sides.